401037260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1542451}}^1$

素因数の和:1542473

約数の個数: 24

約数和(自身を含む): 906961776

約数和(自身を除く): 505924516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1542451, 3084902, 6169804, 7712255, 15424510, 20051863, 30849020, 40103726, 80207452, 100259315, 200518630, 401037260]

約数ペア:

[(1, 401037260), (2, 200518630), (4, 100259315), (5, 80207452), (10, 40103726), (13, 30849020), (20, 20051863), (26, 15424510), (52, 7712255), (65, 6169804), (130, 3084902), (260, 1542451)]